8.8

CVE-2026-101978: juniper networks junos os evolved OS Command Injection

CVSS: 8.8v3.1HighAwaiting analysis
Published 14-10-2026Last modified 16-10-2026
Open JSON

Vulnerability summary

CVE-2026-101978 is a high (CVSS 8.8) OS Command Injection vulnerability in juniper networks junos os evolved. EPSS estimates a 3.92% chance of exploitation in the next 30 days, higher than 90.2% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
3.92%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-10-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

Description

An OS Command Injection vulnerability in the bootzd zero-touch provisioning daemon of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated attacker on the management LAN to execute commands as root via a crafted gRPC response.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

3.92%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

15-10-202620-10-2026
EPSS score
3.92%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Juniper networks1 product
  • junos os evolved≥ 24.4, < 24.4R2-S5-EVO | ≥ 25.2, < 25.2R2-S2-EVO | ≥ 25.4, < 25.4R1-S3-EVO | ≥ 26.2, < 26.2R1-S2-EVO | 23.4X100 | ≥ 25.2X100, < 25.2X100-D35-EVO | ≥ 25.4X300, < 25.4X300-D40-EVO

1 vendor · 1 product

References

1 links